Home / 385,537.90-532,042.23-215,772.03

Finding the Fourth Proportional to 385,537.90, 532,042.23 and 215,772.03

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Solution

The fourth proportional to 385,537.90, 532,042.23 and 215,772.03 is: 297,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,537.90 : 532,042.23 = 215,772.03 : x
  2. Step 2: Convert to fraction form
    385,537.90/532,042.23 = 215,772.03/x
  3. Step 3: Cross multiply
    385,537.90x = 532,042.23 × 215,772.03
  4. Step 4: Simplify right side
    385,537.90x = 114,799,832,012.83
  5. Step 5: Solve for x
    x = 114,799,832,012.83/385,537.90
  6. Step 6: Final answer
    x = 297,765.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.